$66+ Cheap flights from Denver (DEN) to Riverside, CA
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Sep 2 — Sep 91
1 adult, Economy
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Find cheap flights from Denver to Riverside with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Denver Intl to Riverside are usually found in September or January, booked 41 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Denver to Riverside
Keep the following information in mind while searching for Denver to Riverside flight deals. Data was last updated August 28, 2025.
Round-trip from | $96 (Frontier) |
|---|---|
One-way from | $66 (FlightHub) |
Popular in | June |
Cheapest in | September |
Average price | $191 |
Find flight deals from Denver to Riverside
Cheapest flights from Denver to RiversideExplore the most affordable flight options available from Denver to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2025.
Explore the most affordable flight options available from Denver to Riverside. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2025.
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:00 amDEN - LAX
Nonstop2h 35mFrontier
Mon 10/139:17 pmLAX - DEN
Nonstop2h 35mFrontier
Deal found 8/28![Frontier logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:43 pmDEN - LAX
Nonstop2h 35mFrontier
Tue 9/97:20 amLAX - DEN
Nonstop2h 36mFrontier
Deal found 8/28![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:34 pmDEN - LAX
Nonstop2h 34mFrontier
Mon 9/156:35 amLAX - DEN
Nonstop2h 33mFrontier
Deal found 8/27![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:55 pmDEN - LAX
Nonstop2h 32mFrontier
Sat 9/66:45 amLAX - DEN
Nonstop2h 33mFrontier
Deal found 8/28![Frontier logo]()
$99
This Booking.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:55 pmDEN - LAX
Nonstop2h 32mFrontier
Fri 9/199:03 pmLAX - DEN
Nonstop2h 33mFrontier
Deal found 8/26![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3010:55 pmDEN - LAX
Nonstop2h 32mFrontier
Thu 10/26:35 amLAX - DEN
Nonstop2h 33mFrontier
Deal found 8/27![Frontier logo]()
$101
This FlightHub deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/183:43 pmDEN - LAX
Nonstop2h 35mFrontier
Mon 9/229:03 pmLAX - DEN
Nonstop2h 33mFrontier
Deal found 8/27![Frontier logo]()
$102
This FlightHub deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:55 pmDEN - LAX
Nonstop2h 32mFrontier
Sun 9/286:35 amLAX - DEN
Nonstop2h 33mFrontier
Deal found 8/26![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:55 pmDEN - LAX
Nonstop2h 32mFrontier
Sun 9/146:35 amLAX - DEN
Nonstop2h 33mFrontier
Deal found 8/26![Frontier logo]()
$104
This Cheapflightsfares deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:39 pmDEN - LAX
Nonstop2h 34mFrontier
Sat 9/278:16 amLAX - DEN
1 stop5h 14mFrontier
Deal found 8/27![Frontier logo]()
$105
This Priceline deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:00 amDEN - LAX
1 stop8h 08mFrontier
Tue 9/161:37 pmLAX - DEN
Nonstop2h 36mFrontier
Deal found 8/27![Frontier logo]()
$106
This Cheapflightsfares deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:55 pmDEN - LAX
Nonstop2h 32mFrontier
Sun 9/146:35 amLAX - DEN
Nonstop2h 33mFrontier
Deal found 8/27![Frontier logo]()
$107
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Riverside that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Denver to Riverside that are best for you.
Fly from
Denver
Fly to
Riverside
Route
Depart
Return
Price
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Thu 10/2
10:55 pm-12:27 am
Nonstop2h 32m
Los Angeles
Tue 10/7
6:45 am-10:19 am
Nonstop2h 34m
$97
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Sat 10/25
8:00 am-7:53 pm
1 stop12h 53m
Los Angeles
Wed 10/29
6:44 am-10:18 am
Nonstop2h 34m
$97
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Thu 11/6
12:59 am-12:28 pm
1 stop12h 29m
Los Angeles
Tue 11/11
6:44 am-10:18 am
Nonstop2h 34m
$97
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Mon 9/22
10:55 pm-12:27 am
Nonstop2h 32m
Los Angeles
Thu 9/25
2:03 pm-5:36 pm
Nonstop2h 33m
$97
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Fri 9/19
10:55 pm-12:27 am
Nonstop2h 32m
Los Angeles
Mon 9/22
9:03 pm-12:36 am
Nonstop2h 33m
$97
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Sun 10/26
10:55 pm-12:25 am
Nonstop2h 30m
Los Angeles
Wed 10/29
6:44 am-10:18 am
Nonstop2h 34m
$98
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Fri 9/12
10:55 pm-12:27 am
Nonstop2h 32m
Los Angeles
Wed 9/17
7:20 am-10:56 am
Nonstop2h 36m
$98
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Fri 9/12
6:34 pm-8:08 pm
Nonstop2h 34m
Los Angeles
Mon 9/15
6:35 am-10:08 am
Nonstop2h 33m
$98
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Wed 10/15
10:55 pm-12:25 am
Nonstop2h 30m
Los Angeles
Wed 10/22
6:45 am-10:19 am
Nonstop2h 34m
$98
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Fri 10/31
10:55 pm-12:25 am
Nonstop2h 30m
Los Angeles
Sun 11/9
6:44 am-10:18 am
Nonstop2h 34m
$98
Showing 1-10 of 19 results
Best time to book a flight from Denver to Riverside
Have a flexible travel schedule? Discover the best time to fly to Riverside from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Denver to Riverside
How far ahead should I book a flight from Denver to Riverside?
Use this chart to determine the optimal time to book a round-trip flight from Denver to Riverside. Price data was last updated on August 22, 2025.
The best time to book flights from Denver to Riverside is 41 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Denver to Riverside?
Currently, January is the cheapest month in which you can book a flight from Denver to Riverside (average of $246). Flying from Denver to Riverside in March is currently the most expensive (average of $325). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DEN to R1V?
Find hourly flight availability from Denver to Riverside. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 28, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Riverside as you normally would.
What is the cheapest day to fly from Denver to Riverside?
Use this chart to determine the cheapest time to fly round-trip from Denver to Riverside. Price data was last updated on August 24, 2025.
Travelers seeking maximum savings on their Denver to Riverside flight should consider departing on Friday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Denver to Riverside
Explore weekly flight availability from Denver to Riverside. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 28, 2025.
The most flights from DEN to R1V are scheduled on a Thursday (94 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (60 on average).
Reviews of airlines servicing Riverside
Get insights into the airlines that provide service to Riverside. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Riverside. Reviews last updated August 28, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Denver to Riverside have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Denver to Riverside. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Denver to Riverside
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Denver to Riverside
Discover the top 5 airlines that operate flights from Denver to Riverside. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$59 | Average$149 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$104 | Average$244 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$119 | Average$275 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$147 | Average$231 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$147 | Average$315 | FlexibilityNo cancel fee | On-time69% |